Reduction of wobble artefacts in images from mobile transmission X-ray vehicle scanners

Detector boom wobble in transmission X-ray vehicle scanners is an unpredictable and currently uncontrollable problem, which lowers the quality of captured X-ray images. We propose (i) a method for image correction which is able to correct for 70% of boom wobble error given estimates of boom wobble,...

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Bibliographic Details
Main Authors: Rogers, Thomas W., Ollier, James, Morton, Edward J., Griffin, Lewis D.
Format: Conference Proceeding
Language:English
Subjects:
image enhancement
image quality
Photonics
radiation imaging
Weapons
X-ray imaging
Online Access:Request full text
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Summary:Detector boom wobble in transmission X-ray vehicle scanners is an unpredictable and currently uncontrollable problem, which lowers the quality of captured X-ray images. We propose (i) a method for image correction which is able to correct for 70% of boom wobble error given estimates of boom wobble, and (ii) a method of wobble estimation, based on the fusion of instantaneous wobble estimates with previous estimates, which is robust against non-Gaussian X-ray beam cross-sections and approaches ground truth accuracy. The combination of the two approaches provides a method for the reduction of wobble artefacts in images. The two methods have good potential for application in analogous scenarios in medical imaging, radiation physics, laser science and biophysics.
ISSN:1558-2809
2832-4242
DOI:10.1109/IST.2014.6958504